Exam Paper 2024 Flashcards
(24 cards)
Feature of a Japanese bullet train that allows it to move at very high speeds?
The shape of the train is aerodynamic
Is aluminium harder than stainless steel?
No
Is aluminium heavier than mild steel?
No
Is aluminium lighter than brass?
Yes
Is aluminium brittle like glass?
No
Advantages of using magnetic levitation technology on trains?
No friction
Travels faster and smoother
What could a nylon locknut be used for?
Prevents links of mechanisms from opening
Function of switches?
To stop and start motors
Deciduous or Evergreen: oak
Deciduous
Deciduous or Evergreen: Scot’s pine
Evergreen
Deciduous or Evergreen: sycamore
Deciduous
Deciduous or Evergreen: Douglas fir
Evergreen
Explain the term thermoplastic.
Can be shaped repeatedly by heating
Machine used to bend acrylic
Two steps in the bending process
Strip heater
Marking out
Heating
Suitable plastics for 3D printers
PLA
ABS
ASA
What energy conversion is taking place when a pump is operating?
Electrical to kinetic
What does PCB stand for?
Printed
Circuit
Board
State one property of steel
Strength
Torque
Turning force
Advances in technology of televisions in recent years
HiDef screens
Multichannel
Internet access on TV
Voice command
Examples of devices that use infrared light
TV remote
Cameras
Heat sensors
Purpose of a lazy Susan bearing
Reduce friction
HIPS
High
Impact
Polystyrene sheet
Process of bending a metal bracket
Mark out
Clamp into position
Bend
